英语词汇“guide fossil”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词

guide fossil

释义

Noun: guide fossil gId 'fósul

A fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found
- index fossil

Derived forms: guide fossils

Type of: fossil

Encyclopedia: Guide fossil

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